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Pneumatic Pillow.
Patent for improvements to pneumatic pillows, specifically the ventilator within the pillow.
Date:
April 9, 1918
Creator:
Kelly, Ida
System:
The Portal to Texas History
Projectile
Patent for "an improved projectile for guns and ordnance of various classes and bores" (lines 7-9).
Date:
April 9, 1901
Creator:
Cole, William Franklin
System:
The Portal to Texas History